Applicable Codes And Standards - Harsco Industrial P-K SONIC SC-3000 Installation & Owner's Manual

The
CAUTION
!
either
proper wiring and configuration of the internal control transformer.
Be sure to check the nameplate on
the boiler before connecting
3.4.2 high Voltage (
electrical supply.
n !
oTICe
A dedicated earth ground (green
wire) is required to avoid nuisance
shutdowns. Do not ground through
the conduit.
!
WARNING
The high voltage ( TB2 ) terminal
block contains output pilot
120 VAC
duty. Do not connect any
120 VAC
supply voltage to the high voltage
( ) terminal block. Connecting a
TB2
120 VAC supply voltage to can
TB2
result in serious injury or death.
DhW Pump Relay w/ Delay Off – This output is enabled when there is
a call for When the call for heat is removed, the output remains enabled for the post pump time parameter
DHW
settings. This output provides
DHW
within the
provided on
TB2-5
.
Circ Pump Relay w/ Delay Off – This output is enabled when there is a call for heat. When the call for heat
is removed, the output remains enabled for the post pump time parameter within the CH settings. This output
provides 120 VAC , 0.5 Amp service to TB2-13
Damper Relay – This output is enabled when the call for heat is enabled. This output provides
TB2-14 . The neutral for this circuit is provided on
to
master Alarm Relay – This is a dry set of contacts that are normally open and will close in the event of an alarm
output from the boiler control, connecting
Flame Detected Relay – This is a dry set of contacts that are normally open and will close whenever the boiler
control is reading a flame, connecting TB2-17
Refer to sections 6.1.4, 6.1.5 and 6.2.2 for proper wiring and configuration of the electrical connections.
Harsco Industrial, Patterson-Kelley Technical Service 1.877.728.5351
10
and boiler may be supplied from the factory as
SC-3000 SC-4000
. Refer to Sections 6.1.4 and 6.1.5 for
208–240 VAC 440-480 VAC
or
) terminal Block
tB2
, 0.5 Amp service to . The neutral for this circuit is
120 VAC TB2-12
. The neutral for this circuit is provided on TB2-6
TB2-7 . This circuit is for pilot duty only.
TB2-15 and TB2-16
.
and TB2-18
.
Gas Fired Boiler
3.4.3 low Voltage (tB1) terminal Block
enable/Disable –
allows the boiler to run. Opening this circuit prevents the boiler from running. This circuit is energized by the boiler.
24 VAC
It has a
changed by certain Ch modes and Cascade master modes. * Note 1
external Interlock –
control circuit (factory installed jumper). Closing this circuit allows the boiler to run. Opening this circuit prevents the
boiler from running. This circuit is energized by the boiler with a
must be rated for
Outdoor temp sensor –
control must be programmed to run an outdoor air schedule. The outdoor air sensor and programming help are
available from the local Harsco Industrial, Patterson-Kelley Representative. This circuit is energized by the boiler
potential. The temperature sensor must be a NTC having 12k @ 77°F.
5V
with a
DhW stat/sensor –
energized by the boiler with a
header temp sensor –
energized by the boiler with a
DhW Flow switch –
switch on the domestic side of a domestic hot water system. The flow switch should close upon flow to provide a
closed circuit back to
Analog Input – Remote signal for controlling the boiler. The boiler can be operated in a remote setpoint or a
remote firing rate control mode. Input
TB1-14 . The temperature control must be programmed to run with the analog input. * Note 1
–
TB1-17
mODBus®
Cascade –
TB1-19
.
to 24 boilers may be connected together. * Note 1
service
120 VAC
*NOTE 1 - Refer to ENVI® Control Advanced Users Guide (Part # 1004905953) for more information.
3.5 I a
nleT Ir and

3.5.1 Applicable Codes and standards

C
odes
united states:
NFPA 54/ANSI Z223.1
NFPA/ANSI 211
Canada:
CAN/CSA B149.1
s
Tandards
UL 1738
ULC S636-95
These codes and standards contain information for the venting of gas fired appliances, including, but not limited
to vent sizing, location, clearance to combustibles, and safe installation practices. The installation must comply
with both the above Federal Codes and with state, provincial and local codes.
and are used for enabling the boiler (factory installed jumper). Closing this circuit
TB1-1 TB1-2
potential. Devices connected to these terminals must be rated for
and are used for attachment of an additional field safety device to the boiler
TB1-3 TB1-4
5V
.
and are connected to the outdoor temperature sensor. The temperature
TB1-5 TB1-6
and are connected to the
TB1-7 TB1-8 DHW
potential. The temperature sensor must be a
5V
and are connected to the header temperature sensor. This circuit is
TB1-9 TB1-10
potential. The temperature sensor must be a
5V
is energized by the boiler with a
TB1-11 5V
TB1-12
.
0-10 VDC+ TB1-13
signal on
and are used for connecting a
TB1-18 MODBUS®
and are used to connect between boilers that are part of a Master/Member Network. Up
TB1-20
e v
xhausT enTIng
National Fuel Gas Code
Chimneys, Fireplaces, Vents and Solid Fuel Burning Appliances
Installation Codes for Gas Burning Equipment
Venting Systems for Gas-Burning Appliances, Categories II, III, and IV
Standard for Type BH Venting Systems
Sheet Metal and Thermoplastic Duct Construction Manual Air Conditioning
Contractors National Association (SMACNA)
Harsco Industrial, Patterson-Kelley Technical Service 1.877.728.5351
Gas Fired Boiler
24 VAC
Note: this circuit will be
potential. Devices connected to these terminals
5V
temperature sensor or thermostat. This circuit is
having 1
2k @ 77°F
.
NTC
having
12k @ 77°F
NTC .
potential. This circuit connects through a flow
only. The 0 - Analog Input is provided on
VDC
building management system. *Note 1
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